package com.example.utils; import cn.hutool.json.JSONObject; import cn.hutool.json.JSONUtil; import org.apache.ibatis.javassist.compiler.ast.Variable; /** * @Company: 西安路泰科技有限公司 * @Author: zhaowenxuan * @Date: 2024/12/30 14:32 */ public class Test { public static void main(String[] args) { String json = "{\"businessStackTraces\":null,\"exceptionContent\":null,\"exceptionPosition\":null,\"returnCode\":1,\"returnData\":null,\"returnMessage\":\"请求成功\"}"; JSONObject entries = JSONUtil.parseObj(json); Object returnData = entries.get("returnData"); System.out.println("1 ->"+returnData); if (null != returnData && !returnData.toString().equals("null")) { System.out.println("1 = " + 1); }else { System.out.println("2 = " + 2); } } }